Answer
$-\frac{1}{7}$
Work Step by Step
$-\sqrt \frac{1}{49}=-\frac{\sqrt 1}{\sqrt {49}}=-\frac{1}{\sqrt {7^{2}}}=-\frac{1}{7}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Review - Page 746: 5
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